// 从某些角度来说, 开发中如果没有this, 很多的问题我们也是有解决方案
// 但是没有this, 会让我们编写代码变得非常的不方便
var obj100 = {
    name: "why",
    eating: function() {
      console.log(this.name + "在吃东西")
    },
    running: function() {
      console.log(this.name + "在跑步")
    },
    studying: function() {
      console.log(this.name + "在学习")
    }
  }
  
  var info = {
    name: "why",
    eating: function() {
      console.log(this.name + "在吃东西")
    },
    running: function() {
      console.log(this.name + "在跑步")
    },
    studying: function() {
      console.log(this.name + "在学习")
    }
  }
  
  var person = {
    name: "kobe",
    eating: function() {
      console.log(this.name + "在吃东西")
    },
    running: function() {
      console.log(this.name + "在跑步")
    },
    studying: function() {
      console.log(this.name + "在学习")
    }
  }
  
  obj100.eating()
  obj100.running()
  obj100.studying()
  
  